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13081083 = 315727773
BaseRepresentation
bin110001111001…
…100111111011
3220121120212120
4301321213323
511322043313
61144212323
7216121161
oct61714773
926546776
1013081083
117425014
12446a0a3
1329300b2
141a47231
151235d23
hexc799fb

13081083 has 8 divisors (see below), whose sum is σ = 17553168. Its totient is φ = 8664864.

The previous prime is 13081031. The next prime is 13081093. The reversal of 13081083 is 38018031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13081083 - 214 = 13064699 is a prime.

It is a super-2 number, since 2×130810832 = 342229464905778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13081093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13416 + ... + 14357.

It is an arithmetic number, because the mean of its divisors is an integer number (2194146).

Almost surely, 213081083 is an apocalyptic number.

13081083 is a deficient number, since it is larger than the sum of its proper divisors (4472085).

13081083 is a wasteful number, since it uses less digits than its factorization.

13081083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27933.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 13081083 is about 3616.7779859980. Note that the first 3 decimals coincide. The cubic root of 13081083 is about 235.6213104653.

The spelling of 13081083 in words is "thirteen million, eighty-one thousand, eighty-three".

Divisors: 1 3 157 471 27773 83319 4360361 13081083